Home / 11,688.14-17,537.63-5,113.46

Finding the Fourth Proportional to 11,688.14, 17,537.63 and 5,113.46

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Solution

The fourth proportional to 11,688.14, 17,537.63 and 5,113.46 is: 7,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.14 : 17,537.63 = 5,113.46 : x
  2. Step 2: Convert to fraction form
    11,688.14/17,537.63 = 5,113.46/x
  3. Step 3: Cross multiply
    11,688.14x = 17,537.63 × 5,113.46
  4. Step 4: Simplify right side
    11,688.14x = 89,677,856.24
  5. Step 5: Solve for x
    x = 89,677,856.24/11,688.14
  6. Step 6: Final answer
    x = 7,672.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.